Putin still wants the Arctic regions.

Russia, the US, Canada, Denmark and Norway have all been trying to assert jurisdiction over parts of the Arctic, which is believed to hold up to a quarter of the planet’s undiscovered oil and gas. Rivalry for resources has intensified as shrinking polar ice is opening up new exploration opportunities
Russia has submitted a bid to the UN claiming vast territories in the Arctic.
The country’s foreign ministry said in a statement that Russia has renewed its efforts to claiming 1.2m sq km (over 463,000 sq miles) of sea shelf extending more than 350 nautical miles (about 650km) from the shore.
Earlier this year, Russia's military conducted exercises in the Arctic that involved 38,000 servicemen, more than 50 surface ships and submarines and 110 aircraft.

Vladimir Chuprov, campaigner for Greenpeace Russia, said:

“The melting of the Arctic ice is uncovering a new and vulnerable sea, but countries like Russia and Norway want to turn it into the next Saudi Arabia. Unless we act together, this region could be dotted with oil wells and fishing fleets within our lifetimes.”

Sunken ‘Russian sub’ in 1916, located off Swedish coast.

A submarine wreck found off Sweden is probably a Russian vessel from World War One, the Swedish military says.
There had been speculation that the remains were much more recent - those of a suspected Russian vessel, spotted near Stockholm last year.
The Swedish Armed Forces examined footage filmed by divers from the Ocean X team who found the remains.
In a statement (in Swedish) the military said the wreckage was probably a Russian submarine that sank in 1916.
The company said the vessel was about 20m (66ft) long and 3.5m wide and was "completely intact", with its hatches closed.
Last October saw Swedish naval vessels and military planes carrying out an extensive search operation after sightings of what was alleged to be a present-day Russian submarine.
The operation was called off after one week and Russia's defence ministry always denied any of its ships were involved.
Russia's annexation of the Crimea peninsula and Moscow's continuing support for separatist rebels in Ukraine have fuelled suspicion about its intentions towards other neighbouring states, notably in the Baltic.